I’m not convinced that the whistleblower exists.
I'm not either. It could easily be that a few people got together and wrote up the hearsay that's floating around and filled out a Whistleblower accusation as soon as the rules were changed to allow hearsay.
That would fit with the Steele BS where you could only follow any accusation as far as an "unnamed source".
Shifty Shiff knows one trick and keeps repeating it.